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February 3, 2021 09:13

Vulnerability Spotlight: Allen-Bradley Flex I/O vulnerable to denial of service

Jared Rittle of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. The Rockwell Automation Allen-Bradley Flex I/O input/output device is vulnerable to a denial-of-service vulnerability. FLEX I/O provides a wide range of input/output operations while keeping a smalle

February 2, 2021 08:00

Interview with a LockBit ransomware operator

By Azim Khodjibaev, Dmytro Korzhevin and Kendall McKay. Ransomware is still highly prevalent in our current threat landscape — it's one of the top threats Cisco Talos Incident Response responds to. One such ransomware family we encounter is called LockBit, a ransomware-as-a-

January 29, 2021 15:05

Threat Roundup for January 22 to January 29

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 22 and Jan. 29. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k

January 29, 2021 12:33

Talos Takes Ep. #39: SolarWinds' implications for IoT and OT

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. This week, we're continuing our deep dive into the SolarWinds campaign. After Nick Biasini gave us a broad overview

January 28, 2021 14:00

Threat Source newsletter (Jan. 28, 2021)

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. Unfortunately, I don’t have any stock tips to give you to help you get rich overnight. But I do have two Vulnerability Spotlights you should read so your network can stay safer. We disclosed multiple vulnerabili

January 27, 2021 13:15

Vulnerability Spotlight: Multiple vulnerabilities in phpGACL class

Claudio Bozzato of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered multiple vulnerabilities in the phpGACL class. One of these vulnerabilities also affects OpenEMR, a medical practice management software written in PHP. phpGACL

January 26, 2021 11:44

Nation-state campaign targets Talos researchers

Google's Threat Analysis Group published a blog Monday evening warning of an ongoing campaign attempting to compromise security researchers. Google TAG's blog outlines the attacker's motivations and various TTPs used in these attacks. We can confirm that multiple Ci

January 26, 2021 10:00

Vulnerability Spotlight: Denial-of-service vulnerabilities in Micrium uc-HTTP’s HTTP server

Kelly Leuschner of Cisco Talos discovered these vulnerabilities. Blog by Jon Munshaw. Cisco Talos recently discovered two vulnerabilities in Micrium uc-HTTP’s HTTP server that could cause denial-of-service conditions. An attacker could trigger these vulnerabilities by targeting

January 22, 2021 15:35

Threat Roundup for January 15 to January 22

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Jan. 15 and Jan. 22. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting k